OT-2026-000048738
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000048738) never changes.
Identity and time
| Publication number | OT-2026-000048738 · never reused |
|---|---|
| Internal UUID | 01a0ae80-c32c-77cb-9d4b-7873826ca4a5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:29.321882Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048738 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9702f4562bb8640fe4a64bd964d3978a9dff3f87dc359399dac48ad59542a06a |
|---|---|
| Markdown | 9cc19b5ac0d015f972993d4b6f2e33493df7c4ac54fcf8f349a821785a789e3b |
| Publication page | 7b02b505c2ec2cb32eda83218681816b9ee7dd69d226c5e031f42a0f73c6784f |
| Manifest | 3b1ae0e7205ef5a7e6a5d4f9771b980940988fcd66f5885f2cec2c1eddae7662 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | rYNPmiFiLAMlsmYqd2cNuIHqdkJgJkTjwnatvA+qXT3C00/RiXlQPv9Y22AoYPa+q9/a1o6zLu1uoyWgqHMMAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-01T00:41:30.975439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048738observed 7b02b505c2ec2cb32eda83218681816b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T00:41:30.902016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048738/manifest.jsonobserved 3b1ae0e7205ef5a7e6a5d4f9771b9809...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:30.800255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048738/publication.mdobserved 9cc19b5ac0d015f972993d4b6f2e3349...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:30.697615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048738/publication.txtobserved 9702f4562bb8640fe4a64bd964d3978a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:52.310749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048738observed 7b02b505c2ec2cb32eda83218681816b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:52.257996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048738/manifest.jsonobserved 3b1ae0e7205ef5a7e6a5d4f9771b9809...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:52.203260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048738/publication.mdobserved 9cc19b5ac0d015f972993d4b6f2e3349...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:52.062234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048738/publication.txtobserved 9702f4562bb8640fe4a64bd964d3978a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|